#include <windows.h>
#include "resource.h"
#include <tchar.h>

LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);

int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, 
	LPSTR lpCmdLine, int nCmdShow )
{
	MSG  msg ;    
	HWND hwnd;
	WNDCLASS wc;

	wc.style         = CS_HREDRAW | CS_VREDRAW;
	wc.cbClsExtra    = 0;
	wc.cbWndExtra    = 0;
	wc.lpszClassName = TEXT( "Window" );
	wc.hInstance     = hInstance ;
	wc.hbrBackground = GetSysColorBrush(COLOR_3DFACE);
	wc.lpszMenuName  = MAKEINTRESOURCE(IDR_MENU1);
	wc.lpfnWndProc   = WndProc;
	wc.hCursor       = LoadCursor(NULL, IDC_ARROW);
	wc.hIcon         = LoadIcon(NULL, IDI_APPLICATION);

	RegisterClass(&wc);
	hwnd = CreateWindow( wc.lpszClassName, TEXT("Window"),
		WS_SYSMENU | WS_VISIBLE,
		100, 100, 250, 250, NULL, NULL, hInstance, NULL);  

	ShowWindow(hwnd, nCmdShow);
	UpdateWindow(hwnd);

	while( GetMessage(&msg, NULL, 0, 0)) {
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
	return (int) msg.wParam;
}

LRESULT CALLBACK WndProc( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
	static HWND listbox;
	static HWND button;
	static HWND button_del;
	static HWND edit;

	PAINTSTRUCT ps;
	HDC hd;

	switch(msg)  
	{
	case WM_DESTROY:
		{
			PostQuitMessage(0);
			return 0;
		}
	case WM_CREATE:
		{
			listbox = CreateWindow(TEXT("listbox") , NULL, WS_CHILD | WS_VISIBLE | WS_BORDER | LBS_NOTIFY,
				10, 10, 210, 120, hwnd,(HMENU) 1, NULL, NULL);
			button = CreateWindow(TEXT("button") , TEXT("Find"), WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
				120, 140, 100, 25, hwnd,(HMENU) 2, NULL, NULL);
			button_del = CreateWindow(TEXT("button") , TEXT("Clr"), WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
				10, 140, 100, 25, hwnd,(HMENU) 4, NULL, NULL);
			break;
		}
	case WM_COMMAND:
		{
			if(HIWORD(wParam) == BN_CLICKED)
			{
				if(LOWORD(wParam) == 2)
				{
					TCHAR buff[2048];
					WIN32_FIND_DATA fData = {0};
					GetCurrentDirectory(sizeof(buff), buff);
					wcscat(buff, L"\\*");

					HANDLE hFile = FindFirstFile(buff, &fData);
					if(hFile != INVALID_HANDLE_VALUE){
						do { 
							if(_tccmp(fData.cFileName, L".") && _tccmp(fData.cFileName, L".."))
								SendMessage(listbox, LB_ADDSTRING, NULL, (LPARAM)fData.cFileName); 
						} while (FindNextFile(hFile, &fData));
					}
					FindClose(hFile);

				} else if(LOWORD(wParam) == 4)
				{
					SendMessage(listbox, LB_RESETCONTENT, 0, 0);
				}
			} 
			if(LOWORD(wParam) == ID_FILE_INFO)
			{
				MessageBox(0, L"Programm by Push", L"Thanks", 0);
			}
			if(HIWORD(wParam) == LBN_SELCHANGE)
			{
				if(LOWORD(wParam) == 1)
				{
					TCHAR* buff = new TCHAR[1024];
					SendMessage(listbox, LB_GETTEXT, SendMessage(listbox, LB_GETCURSEL, NULL, NULL), (LPARAM)buff);
					MessageBox(NULL, buff, NULL, NULL);
				}
			}
			break;
		}
	}
	return DefWindowProc(hwnd, msg, wParam, lParam);
}